（）10.Bothhisparentslooksad.
Maybethey______what'shappenedtohim.
A.knewB.haveknownC.mustknowD.willknow
（）11.Hehas_______beentoShanghai,hashe
A.alreadyB.neverC.everD.still
（）12.Thefamouswriter_____onenewbookinthepasttwoyear.
A.iswritingB.waswritingC.wroteD.haswritte
（）13.—Ourcountry______alotsofar.
—Yes.Ihopeitwillbeeven______.
A.haschanged;wellB.changed;goodC.haschanged;betterD.changed;better
（）14.ZhaoLan______already______inthisschoolfortwoyears.
A.was;studyingB.will;studC.has;studiedD.are;studying
（）15.We______XiaoLisinceshewasalittlegirl.
A.knowB.hadknownC.haveknownD.knew
（）16.HarryPotterisaverynicefilm.I______ittwice.
A.willseeB.haveseenC.sawD.see
（）17.—______you___yourhomeworkyet
—Yes.I_____itamomentago.
A.Did;do;finishedB.Have;done;finished
C.Have;done;havefinishedD.will;do;finish
（）18.—Howlonghaveyou____here
—Abouttwomonths.
A.beenB.goneC.comeD.arrived
（）19.MissGreenisn'tintheoffice.she______tothelibrary.
A.hasgoneB.wentC.willgoD.hasbeen
（）20.Myparents______Shandongfortenyears.
A.havebeeninB.havebeentoC.havegonetoD.havebeen
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